Digital color correction method
Patent 4314274 Issued on February 2, 1982. Estimated Expiration Date: 
February 22, 2000. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
February 22, 2000. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3600505 3801736 InventorsAssigneeApplicationNo. 06/123736 filed on 02/22/1980US Classes:358/520, Hue, saturation and luminance358/525InterpolationExaminersPrimary: Murray, RichardAttorney, Agent or FirmInternational ClassesG01J 3/46 (20060101)H04N 1/60 (20060101) Foreign Application Priority Data1979-02-28 JPAbstractA method for carrying out a color correction in a digital manner in a picture reproducing machine such as a color scanner, a color facsimile, or the like, which is capable of saving a large volume of capacity of a memory, wherein a resultant value obtained from a combination of color separation signals which are obtained by scanning photoelectrically a color original picture, is represented in a plane coordinate system, and wherein the coordinates of the resultant value are transformed in order to correct hue and saturation by operating the color separation signals together with factors predetermined, thereby obtaining a combination of color-corrected color separation signals. | |
